Intr-o clasa snt 35 de elevi .nr fete este egal cu 75 la suta din nr baietilor .aflati nr baietilor
1 answer:
Salut!
b=baiat
f=fata
In clasa sunt 35 elevi.
75/100 x b=f
3b/4=f
3b=4f
b+f=35
3b+3f=105
7f=105
f=15
b=35-15
b=20
Succes!
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Thank you for the points BTW why are u deleting it
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